<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120"><XtxCheckbox @change="checkAll" :modelValue="$store.getters['cart/isCheckAll']">全选</XtxCheckbox></th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody >
            <tr v-if="$store.getters['cart/validList'].length === 0">
              <td colspan="6">
                <CartNone />
              </td>
            </tr>
            <tr v-for="item in $store.getters['cart/validList']" :key="item.skuId">
              <td><XtxCheckbox :modelValue="item.selected" @change="$event=> checkOne(item.skuId,$event)"/></td>
              <td>
                <div class="goods">
                  <router-link :to="`/product/${item.id}`"><img :src="item.picture" alt=""></router-link>
                  <div>
                    <p class="name ellipsis">{{ item.name }}</p>
                    <!-- <p class="attr">{{ item.attrsText }}</p> -->
                    <!-- 选择规格组件 -->
                    <CartSku @change="$event=> updateCartSku(item.skuId,$event)" :attrsText="item.attrsText" :skuId="item.skuId"/>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
                <p v-if="item.price - item.nowPrice > 0">比加入时降价 <span class="red">&yen;{{ item.price-item.nowPrice }}</span></p>
              </td>
              <td class="tc">
                <XtxNumBox  :max="item.stock" @change="$event => changCount(item.skuId,$event)" :modelValue="item.count"/>
              </td>
              <td class="tc"><p class="f16 red">&yen;{{ item.nowPrice * 100 * item.count / 100 }}</p></td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p><a class="green" href="javascript:;" @click="deleteCart(item.skuId)">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'] > 0">
            <tr><td colspan="6"><h3 class="tit">失效商品</h3></td></tr>
            <tr v-for="item in $store.getters['cart/validList']" :key="item.skuId">
              <td><XtxCheckbox style="color:#eee;" /></td>
              <td>
                <div class="goods">
                  <router-link :to="`product${item.id}`"><img :src="item.picture" alt=""></router-link>
                  <div>
                    <p class="name ellipsis">{{ item.name }}</p>
                    <p class="attr">{{ item.attsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc"><p>&yen;{{ item.nowPrice }}</p></td>
              <td class="tc">{{ item.count }}</td>
              <td class="tc"><p>&yen;{{ item.nowPrice * 100 * item.count / 100 }}</p></td>
              <td class="tc">
                <p><a class="green" href="javascript:;" >删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <XtxCheckbox :modelValua="$store.getters['cart/isCheckAll']" >全选</XtxCheckbox>
          <a href="javascript:;" @click="batchDeleteCart()">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a href="javascript:;" @click="batchDeleteCart(true)">清空失效商品</a>
        </div>
        <div class="total">
          共 {{ $store.getters['cart/selectedTotal'] }} 件商品，已选择 {{ $store.getters['cart/selectedTotal'] }} 件，商品合计：
          <span class="red">¥{{ $store.getters['cart/selectedAccount'] }}</span>
          <XtxButton type="primary" @click="goCheckbox">下单结算</XtxButton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant />
    </div>
  </div>
</template>
<script>
import GoodRelevant from '@/views/goods/component/goods-relevant.vue'
import CartNone from './components/cart-none.vue'
import CartSku from './components/cart-sku.vue'
import { useStore } from 'vuex'
import Confirm from '@/components/library/Confirm'
import Message from '@/components/library/Message'
import { useRouter } from 'vue-router'
export default {
  name: 'XtxCartPage',
  components: { GoodRelevant, CartNone, CartSku },
  setup () {
    const store = useStore()
    const router = useRouter()
    const checkAll = (selected) => {
      // 全选反选
      store.dispatch('cart/checkAllCart', selected)
    }
    const checkOne = (skuId, selected) => {
      store.dispatch('cart/updateCart', { skuId, selected })
    }
    const deleteCart = (skuId) => {
      Confirm({ text: '你确定从购物车中删除这些商品吗？' }).then(() => {
        console.log(skuId)
        store.dispatch('cart/deleteCart', skuId)
      }).catch(e => {
        Message({ text: '已取消' })
      })
    }
    const batchDeleteCart = (isClear) => {
      Confirm({ text: '你确认删除选中商品吗？' }).then(() => {
        store.dispatch('cart/batchDeleteCart', isClear)
        Message({ text: '删除成功', type: 'success' })
      }).catch(e => {
        Message({ text: '已取消' })
      })
    }
    const changCount = (skuId, count) => {
      store.dispatch('cart/updateCart', { skuId, count })
    }

    // 当修改购物车商品规格时触发
    const updateCartSku = (oldSkuId, newSku) => {
      Confirm({ text: '你确定要修改商品规格吗？' }).then(() => {
        store.dispatch('cart/updateCartSku', { oldSkuId, newSku })
        Message({ text: '修改成功', type: 'success' })
      }).catch(e => {
        Message({ text: '已取消' })
      })
    }

    // 跳转结算页面
    const goCheckbox = () => {
      // 判断是否选择有效商品
      // 判断是否已经登录,未登录 弹窗提示
      // 进行跳转(需要做访问权限的控制)

      // 判断是否有选中商品
      if (store.getters['cart/selectedTotal'] === 0) return Message({ text: '至少选择一件商品才能结算' })
      // 判断是否已经登录
      if (!store.state.user.profile.token) {
        Confirm({ text: '下单结算需要进行登录, 请跳转登录页面' }).then(() => {
          router.push('/member/checkout')
        }).catch(e => {})
      } else {
        // 已经登录
        router.push('/member/checkout')
      }
    }
    return { checkAll, checkOne, deleteCart, batchDeleteCart, changCount, updateCartSku, goCheckbox }
  }
  // 测试
  // mounted () {
  //   this.$message({ text: 'xxx' })
  // }
}
</script>
<style scoped lang="less">
.container {
 :deep(.goods-relevant) {
    margin: 20px 0;
  }
}
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,td{
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
